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Filtrete 15 x 24 x 1 Room Air Conditioner Filter (9808)

4.3 4.3 out of 5 stars 1,035 ratings

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Brand Filtrete
Material Plastic
Product Dimensions 24"L x 15"W x 0.02"Th
Compatible Devices Air Conditioner
Item Weight 1.4 Ounces

About this item

  • Captures airborne particles including dust, pollen, mold, pet dander and smoke
  • Features easy, cut-to-fit installation that works for all room air conditioners
  • Available size: 15-Inch x 24-Inch
See more product details

Customer ratings by feature

Easy to install
4.3 4.3
Easy to use
4.2 4.2
Value for money
3.8 3.8

From the manufacturer

About Us

3M Filtrete Brand is a premier 3M Brand helping improve indoor air quality for your family. For nearly 25 years, 3M Filtrete Air Filters have delivered cleaner air. As a result, 3M Filtrete is the trusted brand of indoor air cleaning filters

Developed by 3M engineers to help capture airborne allergens, the 3M Filtrete Air Filter media is electrostatically charged to act like tiny magnets that attract and capture microscopic particles from the air as it passes through the filter. Our dedicated technical team continues to develop innovative solutions to help improve indoor air quality..

Product information

Technical Details

Additional Information

Warranty & Support

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Filtrete 15 x 24 x 1 Room Air Conditioner Filter (9808)


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Product Description

As you manage your allergies on a day to day basis, you're looking for options that can help reduce allergens in your air. Filtrete Allergen Reduction filters turn your central heating and cooling system into a whole house air cleaner. With electrostatic technology, these filters help reduce airborne allergens from air passing through the filter.

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This Item
Filtrete 15 x 24 x 1 Room Air Conditioner Filter (9808)
Filtrete 15 x 24 x 1 Room Air Conditioner Filter (9808)
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PriceCurrently unavailable.$11.99$12.99$23.99-15% $27.95
List:$32.99
$29.50
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Easy to install
4.3
5.0
4.4
4.7
Value for money
3.8
4.5
4.1
4.5
Sold By
Wintcomfort
GCGOODS
NORTHWEST ENTERPRISES
Mingrui-US
SD Air Filter
compatible devices
Air Conditioner
Air Conditioner
Window Air Conditioner
Air Conditioner, Furnace
Compatible with Dyson fan filter Dyson Pure Cool Link Models TP01, TP02, TP03, AM11, BP01, Part # 968126-03
Furnace
number of items
1
1
1
1
2
4
material
Plastic
electrostatic non-woven polyester fabric
Electrostatic non-woven polyester fabric
Polyester
H13 True HEPA Filter, Activated Carbon Filter, Preliminary Filter

Customer reviews

4.3 out of 5 stars
4.3 out of 5
1,035 global ratings

Customers say

Customers like the performance and filter of the air filter. They mention that it works well, it captures an amazing amount of particulates, and that it's moderately effective in filtering out pollen. Customers are also satisfied with ease of use. However, some customers have issues with the thickness and have different opinions on size, value, and cleanliness.

AI-generated from the text of customer reviews

77 customers mention72 positive5 negative

Customers are satisfied with the performance of the filter. They mention that it works well, it does a great job, and it works better than the OEM filter. Some say that the filter works well with their air-con and that it'll go from white to gray in a matter of days. Overall, most are happy with the product and recommend it to others.

"...Awesome and worth every penny. I hope that 3M never stops manufacturing this great product." Read more

"...little fan in the downstairs bathroom where my dad smokes and it really works well....it is really starting to turn yellow and disgusting looking...." Read more

"...Seems to work. I replace them monthly and my ductwork looks good...." Read more

"...I tape this on top of the filer I already have and it works amazingly well...." Read more

64 customers mention58 positive6 negative

Customers are satisfied with the filter. They mention that it captures an amazing amount of particulates, dust, and pollen. They also say that it does a good job of filtering. Some customers also mention that the filter is moderately effective in filtering out pollen, and that it improves filtration capabilities. Overall, most are happy with their purchase and recommend it to others.

"...I noticed a difference almost immediately. No more dust and dirt floating around in the air or landing in my dogs water dish and my allergies..." Read more

"...over the inlet of a window air conditioner, this filter media prevents buildup of crud in the A/C fins, as well as the squirrel cage fan blades...." Read more

"...I change them every 1-2 months during summer. The filter captures an amazing amount of particulates...." Read more

"This item claims to be a good filter that blocks out a lot of impure substances, but please note that this item is as think as a 'handi-wipe' or a..." Read more

45 customers mention45 positive0 negative

Customers are satisfied with the air quality of the product. They mention that it filters the air well, and it does not negatively impact airflow. Customers also say that the filter can remove lots of dust from the air and that it makes the air inside feel better.

"...extreme environment, these filter sheets really did an amazing job at keeping my air clean...." Read more

"...These things certainly do a good job filtering the air cycling through window AC units...." Read more

"...the furnace itself, but using this, too, has made a BIG difference in the quality of the air...." Read more

"...I believe it really does capture even microscopic sized dust and smoke particles in addition to the larger mold spores and pollen as the packaging..." Read more

23 customers mention16 positive7 negative

Customers are mixed about the cleanliness of the filter. Some mention that it helps keep their house cleaner, while others say that it gets dirty quick and is very hard to clean.

"...On the one hand, there's that much less dust in the air, but on the other I'm looking at a future of $10/mo in air conditioner filters...." Read more

"...Additionally there is a lot less dust now in my home. Definitely worth a try if you want cleaner air...." Read more

"I noticed a minor increase in the quality of the air - and it stayed cleaner for longer...." Read more

"...For the price, it does work, but gets dirty quick. Washing needs to be easier. Drying time needs to be less. It's just not worth using...." Read more

19 customers mention19 positive0 negative

Customers find the kitchen pre-filter easy to use. They mention that it works great, is simple, and has clear instructions. Some say that the filters are easy to cut to fit and install.

"...So, I figured...how hard would it be to make my own. Well, it was pretty darn easy. I purchased a cut to fit foam pre-filter...." Read more

"...They were easy to install, and I was able to use two packages to filter three window units, as one of them is small...." Read more

"Easy to cut to fit and install...." Read more

"Easy to use. It’s disgusting after a while but that’s what it’s suppose to do." Read more

41 customers mention23 positive18 negative

Customers are mixed about the size of the filter. Some mention that it cuts to size easily, while others say that the dimensions are a bit off and the pieces are too tiny.

"...These are easy to cut, insert, and done!..." Read more

"...to fit the unit, but never created a good seal due to poor quality control and design. So, I figured...how hard would it be to make my own...." Read more

"You can cut this filter to size and works as a pre-filter for any air purifier...." Read more

"...But the size of the sheet is soo chintzy that it's not worth it...." Read more

31 customers mention16 positive15 negative

Customers are mixed about the value of the filter. Some mention it's well worth the price, an inexpensive way of purifying your air using window a/c units. However, others say it'd be better off buying a different filter.

"...For the price of these filters, theyre easily the best bang for your buck to help fight allergies and other air impurities if you have a Window AC..." Read more

"...unit, and left uncleaned it decreases efficiency of A/C and increases cost of running it! plus I think it is a little bit helpful for allergies." Read more

"...It works a lot better than the expensive filters. It was much cheaper because due to the large sheets of cut to fit, I have enough for just about a..." Read more

"...and called the 3M 800 # on package and they said this is not designed for that purpose. Honeywell recommended them...." Read more

25 customers mention6 positive19 negative

Customers are dissatisfied with the thickness of the filter. They mention that it's very thin, flimsy, and cheaply made. The fibers are very light and tend to float in the air, making it easy for them to get in their eyes. Customers also say that the filter will blow away.

"...The other filter, cheaper by two-thirds was superior. This 3M filter was flimsy, kept getting sucked in, and with no way to secure it and keep it..." Read more

"...was so big, one package was enough for all our air vents but it was very thin and I haven't noticed any difference for the smell at all." Read more

"...The filter captures an amazing amount of particulates. This filter is very thin (like a thick paper towel) ...." Read more

"Very thin" Read more

So far so good, the best window AC filters available!
5 Stars
So far so good, the best window AC filters available!
Picture says 1000 words, see the picture attached. This was after about 2 months of the filter being in the AC, next to a freshly cut piece to replace it. Generally they will last much longer but I live on a main road, and a lot of dirt is kicked up by passing cars which contributes to the filter becoming so dark and needing a replacement quickly. It also does a good job filtering the occasional smoke(from cooking or other). These things certainly do a good job filtering the air cycling through window AC units. I cut it to size and attach it to the plastic filter found in the unit with some tape. I dont recommend wrapping it so the filter covers both sides, I did that at first and it significantly disrupts the ability for the AC to cycle air and can hurt the motor long term/cause it to lock/freeze up. But even with the filter only on one side it does a great job. Previously we only used an air purifier, but with these in addition to the purifier I feel confident the air circulating in my apartment is NOW much cleaner.I got these filters to put into the 2 Window AC units I have in my apartment for the upcoming season. I live in NJ and put the window AC units in about 2-3 weeks ago when we had weather of 70+ for about a week straight because the heat in our apartment, which I have no control over was still on, making the apartments extremely hot. My wife also gets extremely bad seasonal allergies every Spring from Mid April through Mid June, so much so that last year we got a purifier in an attempt to help combat the allergies. While the purifier may have helped some, it didnt completely solve our issues, and my wife still has bad allergies so this was the next step, I figured id go with the best, Filtrete over other companies and being branded as Allergen filters it was a no brainer.I do feel as though these have helped probably about the same as the purifier itself did. Its not a fix all, my wife still does have allergies that bother her, but they do seem less frequent and less severe when they do occur. This is of course dependent on the AC unit running so that the filter is being used, if the AC is idle, not air is going through the filter.For the price of these filters, theyre easily the best bang for your buck to help fight allergies and other air impurities if you have a Window AC unit. Also, I thought that 1 Pack would only be enough for 1 filter, but I was actually able to cut one pack, and cover both of the plastic pre-made window AC filters with these filters, AND have some left over which should be enough to cover the smaller of the two filters again. Its also worth noting that there arent very good instructions on using these, it would make the most sense to me to wrap it around the plastic filter most units have entirely, but as it restricts air flow it could cause the AC unit to burn out, and the instructions make it seem as though you should only cover one side. Another suggestion, THOROUGHLY CLEAN YOUR PLASTICFILTERS BEFORE APPLYING. Use warm water and soap, or whatever allergen cleaning method you have to completely clean the filters that come with your units before placing these on the units. Its well known that the filters that come with window AC units are notoriously bad, and if pollen or other allergenic material get stuck in them, they just keep being pushed out into the air which is NOT what you want. It is also very much worth it to get air conditioner weatherseal so there are no gaps between your Window AC and the window itself which could allow air/allergenic material/bugs in. This is crucial to get the best overall benefit from these filters.Overall, I strongly suggest these air filters for window AC units. As I said, in my opinion(no scientific proof) they had about as much an impact on indoor air quality as adding a purifier to my bedroom(which runs 24/7) and the filters are FAR CHEAPER. These are a must have for those who suffer from allergies and dont have central air with filtration.
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Top reviews from the United States

Reviewed in the United States on November 30, 2019
Reviewed in the United States on May 15, 2020
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5.0 out of 5 stars So far so good, the best window AC filters available!
Reviewed in the United States on May 15, 2020
Picture says 1000 words, see the picture attached. This was after about 2 months of the filter being in the AC, next to a freshly cut piece to replace it. Generally they will last much longer but I live on a main road, and a lot of dirt is kicked up by passing cars which contributes to the filter becoming so dark and needing a replacement quickly. It also does a good job filtering the occasional smoke(from cooking or other). These things certainly do a good job filtering the air cycling through window AC units. I cut it to size and attach it to the plastic filter found in the unit with some tape. I dont recommend wrapping it so the filter covers both sides, I did that at first and it significantly disrupts the ability for the AC to cycle air and can hurt the motor long term/cause it to lock/freeze up. But even with the filter only on one side it does a great job. Previously we only used an air purifier, but with these in addition to the purifier I feel confident the air circulating in my apartment is NOW much cleaner.

I got these filters to put into the 2 Window AC units I have in my apartment for the upcoming season. I live in NJ and put the window AC units in about 2-3 weeks ago when we had weather of 70+ for about a week straight because the heat in our apartment, which I have no control over was still on, making the apartments extremely hot. My wife also gets extremely bad seasonal allergies every Spring from Mid April through Mid June, so much so that last year we got a purifier in an attempt to help combat the allergies. While the purifier may have helped some, it didnt completely solve our issues, and my wife still has bad allergies so this was the next step, I figured id go with the best, Filtrete over other companies and being branded as Allergen filters it was a no brainer.

I do feel as though these have helped probably about the same as the purifier itself did. Its not a fix all, my wife still does have allergies that bother her, but they do seem less frequent and less severe when they do occur. This is of course dependent on the AC unit running so that the filter is being used, if the AC is idle, not air is going through the filter.

For the price of these filters, theyre easily the best bang for your buck to help fight allergies and other air impurities if you have a Window AC unit. Also, I thought that 1 Pack would only be enough for 1 filter, but I was actually able to cut one pack, and cover both of the plastic pre-made window AC filters with these filters, AND have some left over which should be enough to cover the smaller of the two filters again. Its also worth noting that there arent very good instructions on using these, it would make the most sense to me to wrap it around the plastic filter most units have entirely, but as it restricts air flow it could cause the AC unit to burn out, and the instructions make it seem as though you should only cover one side. Another suggestion, THOROUGHLY CLEAN YOUR PLASTIC
FILTERS BEFORE APPLYING. Use warm water and soap, or whatever allergen cleaning method you have to completely clean the filters that come with your units before placing these on the units. Its well known that the filters that come with window AC units are notoriously bad, and if pollen or other allergenic material get stuck in them, they just keep being pushed out into the air which is NOT what you want. It is also very much worth it to get air conditioner weatherseal so there are no gaps between your Window AC and the window itself which could allow air/allergenic material/bugs in. This is crucial to get the best overall benefit from these filters.

Overall, I strongly suggest these air filters for window AC units. As I said, in my opinion(no scientific proof) they had about as much an impact on indoor air quality as adding a purifier to my bedroom(which runs 24/7) and the filters are FAR CHEAPER. These are a must have for those who suffer from allergies and dont have central air with filtration.
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4 people found this helpful
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Reviewed in the United States on April 9, 2019
10 people found this helpful
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Reviewed in the United States on June 4, 2013
4 people found this helpful
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Top reviews from other countries

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Chris
5.0 out of 5 stars WHY HAS THE PRICE MORE THAN DOUBLE???
Reviewed in Canada on May 16, 2020
C.zs
4.0 out of 5 stars Good
Reviewed in the United Kingdom on September 13, 2019
One person found this helpful
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vijayant s.
5.0 out of 5 stars Good
Reviewed in India on August 27, 2018
One person found this helpful
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Alan parkin
5.0 out of 5 stars Ac filters
Reviewed in Australia on May 14, 2022
Etienne Voyer
5.0 out of 5 stars Good thing
Reviewed in Canada on September 16, 2018